package string;

/**
 *
 */
public class MatchesDemo {
    public static void main(String[] args) {
        /**
         * 邮箱正则表达式：
         * [a-zA-Z0-9_]+@[a-zA-Z0-9]+(\.[a-zA-Z]+)+
         */
        String email="gg@qq.com";
        String regex="[a-zA-Z0-9_]+@[a-zA-Z0-9]+(\\.[a-zA-Z]+)+";
        boolean match=email.matches(regex);
        if (match){
            System.out.println("邮箱通过");
        }else {
            System.out.println("邮箱不正确");
        }
    }
}
